| Geyser | 1972-05-19 |
|---|---|
| Artemisia | 1330 |
| Beehive | 0938 |
| Great Fountain | 1320 |
| Old Faithful | 0840 long, 0950 short, 1055 short, 1157 short, 1311 short, 1418 long, 1530 short, 1618 long, 1748 short |
| Values for Old Faithful Area | 1972-05-19 |
|---|---|
| Astronomical Twilight Begin | 03:40 |
| Nautical Twilight Begin | 04:32 |
| Civil Twilight Begin | 05:16 |
| Sunrise | 05:51 |
| Sunset | 20:48 |
| Civil Twilight End | 21:22 |
| Nautical Twilight End | 22:06 |
| Astronomical Twilight End | 22:58 |
| Moon Illumination | 41.8% |